Side Effects


What side effects may I notice from receiving Naltrexone?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-changes in vision, hearing
-confusion
-dark urine
-depressed mood
-diarrhea
-fast or irregular heart beat
-hallucination, loss of contact with reality
-light-colored stools
-right upper belly pain
-suicidal thoughts or other mood changes
-unusually weak or tired
-vomiting
-yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-aches, pains
-change in sex drive or performance
-feeling anxious
-headache
-loss of appetite, nausea
-runny nose, sinus problems, sneezing
-stomach pain
-trouble sleeping

This list may not describe all possible side effects for Naltrexone. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Source: FDA